| Polypodiaceae | |
Polypodium vulgare var. americanum
| Hook. | Fl. Bor.-Amer. 2(12): 258 | 1840 |
| Polypodiaceae | |
Polypodium vulgare var. californicum
| (Kaulf.) Hultén | | ** |
| Polypodiaceae | |
Polypodium vulgare subsp. columbianum
| (Gilbert) Hultén | Kongl. Svenska Vetensk. Acad. Handl., n.s. 8(5): 176 | 1962 |
| Polypodiaceae | |
Polypodium vulgare var. columbianum
| Gilbert | List N. Amer. Pterid. 19, 38 | 1901 |
| Polypodiaceae | |
Polypodium vulgare var. kaulfussii
| (D.C. Eaton) Fernald | Rhodora 24(283): 140 | 1922 |
| Polypodiaceae | |
Polypodium vulgare nothosubsp. mantoniae
| Schidlay | Fl. Slov. 2: 225 | 1966 |
| Polypodiaceae | |
Polypodium vulgare var. virginianum
| (L.) Eaton | Man. Bot. 373 | 1818 |
| Polypodiaceae | |
Polypodium vulgare subsp. vulgare
| | | |